pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.9	OCHEM	1	0	Cc1ccc(S(=O)(=O)NCCC[NH3+])cc1	Cc1ccc(S(=O)(=O)NCCCN)cc1	mol261	Cc1ccc(S(=O)(=O)NCCCN)cc1